Implement logfile collector and grep parser

JIRA: QTIP-207
JIRA: QTIP-208
Change-Id: Icc14d3097fb305e59df716636ef87504490c9d1b
Signed-off-by: Yujun Zhang <zhang.yujunz@zte.com.cn>

1 files changed, 33 insertions, 0 deletions

diff --git a/qtip/collector/parser/grep.py b/qtip/collector/parser/grep.py
new file mode 100644
index 00000000..d7ada485
--- /dev/null
+++ b/qtip/collector/parser/grep.py
@@ -0,0 +1,33 @@
+##############################################################################
+# Copyright (c) 2017 ZTE Corp and others.
+#
+# All rights reserved. This program and the accompanying materials
+# are made available under the terms of the Apache License, Version 2.0
+# which accompanies this distribution, and is available at
+# http://www.apache.org/licenses/LICENSE-2.0
+##############################################################################
+
+
+import re
+
+
+from qtip.base.constant import BaseProp
+from qtip.base import BaseActor
+
+
+class GrepProp(BaseProp):
+    FILENAME = 'filename'
+    REGEX = 'regex'
+
+
+class GrepParser(BaseActor):
+    TYPE = 'grep'
+
+    def run(self):
+        filename = self._parent.get_config(GrepProp.FILENAME)
+        return grep_in_file(self._parent.find(filename), self._config[GrepProp.REGEX])
+
+
+def grep_in_file(filename, regex):
+    with open(filename, 'r') as f:
+        return filter(lambda x: x is not None, [re.search(regex, line) for line in f])